302
FNCA52 TJSJ 100730
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 AM AST SAT OCT 10 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-102000-
SOUTHEAST COASTAL PLAINS-
330 AM AST SAT OCT 10 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 30 20
TEMP (24H TREND) 91 (+1) 73 (-3) 90
RH % (24H TREND) 56 (-4) 93 (+5) 56
WIND 20FT/EARLY(MPH) E 16 E 12 E 18
WIND 20FT/LATE(MPH) E 17 NE 10 SE 18
MIXING HGT(FT-AGL/MSL)5030 5550
TRANSPORT WND (MPH) E 15 E 18
VENT RATE (KT-FT) 65390 88800
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-102000-
SOUTHERN HILLS-
330 AM AST SAT OCT 10 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 30 20
TEMP (24H TREND) 88 (+2) 69 (-5) 88
RH % (24H TREND) 61 (-2) 98 (+6) 60
WIND 20FT/EARLY(MPH) E 12 E 11 E 13
WIND 20FT/LATE(MPH) E 12 E 11 SE 13
MIXING HGT(FT-AGL/MSL)5460 6000
TRANSPORT WND (MPH) E 15 E 18
VENT RATE (KT-FT) 70980 96000
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-102000-
NORTH COASTAL PLAINS-
330 AM AST SAT OCT 10 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 60 40 50
TEMP (24H TREND) 89 (-1) 73 (-4) 90
RH % (24H TREND) 63 (-2) 96 (+4) 59
WIND 20FT/EARLY(MPH) E 14 E 17 E 13
WIND 20FT/LATE(MPH) E 17 SE 14 E 18
MIXING HGT(FT-AGL/MSL)4510 5600
TRANSPORT WND (MPH) E 18 E 18
VENT RATE (KT-FT) 72160 89600
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-102000-
NORTHERN HILLS-
330 AM AST SAT OCT 10 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 50 30 60
TEMP (24H TREND) 89 (0) 71 (-3) 90
RH % (24H TREND) 63 (0) 98 (+3) 59
WIND 20FT/EARLY(MPH) E 13 E 13 E 11
WIND 20FT/LATE(MPH) NE 14 E 11 E 16
MIXING HGT(FT-AGL/MSL)4940 6680
TRANSPORT WND (MPH) E 17 E 15
VENT RATE (KT-FT) 74100 86840
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-102000-
WEST COAST-
330 AM AST SAT OCT 10 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 90 50 60
TEMP (24H TREND) 93 (+2) 72 (-2) 92
RH % (24H TREND) 60 (-3) 97 (+4) 59
WIND 20FT/EARLY(MPH) E 13 E 17 E 13
WIND 20FT/LATE(MPH) E 13 E 12 E 16
MIXING HGT(FT-AGL/MSL)5110 5080
TRANSPORT WND (MPH) E 13 SE 15
VENT RATE (KT-FT) 56210 66040
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-102000-
EASTERN INTERIOR-
330 AM AST SAT OCT 10 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 50 50
TEMP (24H TREND) 89 (+1) 71 (-4) 89
RH % (24H TREND) 63 (0) 99 (+6) 59
WIND 20FT/EARLY(MPH) E 13 E 12 E 13
WIND 20FT/LATE(MPH) E 11 E 12 E 13
MIXING HGT(FT-AGL/MSL)4790 6170
TRANSPORT WND (MPH) E 14 SE 18
VENT RATE (KT-FT) 57480 98720
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-102000-
LUQUILLO MOUNTAIN RANGE-
330 AM AST SAT OCT 10 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 60 50
TEMP (24H TREND) 84 (+1) 69 (-4) 85
RH % (24H TREND) 66 (-3) 99 (+2) 63
WIND 20FT/EARLY(MPH) E 11 E 9 SE 12
WIND 20FT/LATE(MPH) E 10 E 9 E 12
MIXING HGT(FT-AGL/MSL)3480 4370
TRANSPORT WND (MPH) E 14 E 18
VENT RATE (KT-FT) 41760 69920
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-102000-
CENTRAL MOUNTAIN RANGE-
330 AM AST SAT OCT 10 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 80 30 60
TEMP (24H TREND) 86 (+2) 68 (-3) 86
RH % (24H TREND) 65 (-1) 98 (+4) 62
WIND 20FT/EARLY(MPH) E 11 E 12 E 10
WIND 20FT/LATE(MPH) E 12 E 10 SE 10
MIXING HGT(FT-AGL/MSL)5600 7280
TRANSPORT WND (MPH) E 15 SE 15
VENT RATE (KT-FT) 72800 94640
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-102000-
CAYEY MOUNTAIN RANGE-
330 AM AST SAT OCT 10 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 50 50
TEMP (24H TREND) 85 (+1) 69 (-4) 85
RH % (24H TREND) 65 (-1) 99 (+3) 63
WIND 20FT/EARLY(MPH) E 10 E 9 E 11
WIND 20FT/LATE(MPH) E 10 E 9 E 12
MIXING HGT(FT-AGL/MSL)4290 5410
TRANSPORT WND (MPH) E 15 E 18
VENT RATE (KT-FT) 55770 86560
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-102000-
VIEQUES-
330 AM AST SAT OCT 10 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 60 50
TEMP (24H TREND) 90 (+1) 76 (-3) 90
RH % (24H TREND) 58 (-3) 89 (+2) 56
WIND 20FT/EARLY(MPH) E 14 E 16 E 14
WIND 20FT/LATE(MPH) E 12 E 16 E 14
MIXING HGT(FT-AGL/MSL)3050 3900
TRANSPORT WND (MPH) E 20 E 16
VENT RATE (KT-FT) 51850 54600
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-102000-
CULEBRA-
330 AM AST SAT OCT 10 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 60 50
TEMP (24H TREND) 90 (+1) 77 (-3) 91
RH % (24H TREND) 58 (-5) 86 (+2) 56
WIND 20FT/EARLY(MPH) E 14 E 17 E 14
WIND 20FT/LATE(MPH) E 12 E 17 E 14
MIXING HGT(FT-AGL/MSL)3170 3720
TRANSPORT WND (MPH) E 20 E 21
VENT RATE (KT-FT) 53890 66960
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-102000-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 AM AST SAT OCT 10 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 40 10
TEMP (24H TREND) 93 (+2) 73 (-3) 92
RH % (24H TREND) 55 (-4) 94 (+7) 54
WIND 20FT/EARLY(MPH) E 14 E 13 E 18
WIND 20FT/LATE(MPH) E 17 E 12 SE 20
MIXING HGT(FT-AGL/MSL)5460 5370
TRANSPORT WND (MPH) E 13 E 21
VENT RATE (KT-FT) 60060 96660
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-102000-
SAINT THOMAS AND SAINT JOHN-
330 AM AST SAT OCT 10 2026
TODAY TONIGHT SUN
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 50 40
TEMP (24H TREND) 87 (0) 76 (-3) 88
RH % (24H TREND) 63 (-4) 88 (+3) 62
WIND 20FT/EARLY(MPH) E 14 E 17 E 17
WIND 20FT/LATE(MPH) E 13 E 17 E 17
MIXING HGT(FT-AGL/MSL)3350 3810
TRANSPORT WND (MPH) E 16 E 21
VENT RATE (KT-FT) 46900 68580
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-102000-
ST CROIX-
330 AM AST SAT OCT 10 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 40 40
TEMP (24H TREND) 89 (0) 76 (-3) 89
RH % (24H TREND) 63 (-3) 91 (+2) 62
WIND 20FT/EARLY(MPH) E 13 E 14 E 16
WIND 20FT/LATE(MPH) E 12 E 14 E 16
MIXING HGT(FT-AGL/MSL)4390 4610
TRANSPORT WND (MPH) E 15 E 21
VENT RATE (KT-FT) 57070 82980
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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